LawGPT Search

A vector search API for legal documents powered by Cloudflare Workers, D1, and Vectorize. This API allows you to submit legal documents, search through them semantically, and get AI-powered answers to legal questions.

Features

• Document submission with automatic text chunking and embedding
• Semantic search across documents
• AI-powered question answering using the document context
• Namespace support for document organization
• Built on Cloudflare's edge infrastructure

Setup

1. Clone this repository
2. Set up a Cloudflare Page with their admin
3. Run the setup commands:

pnpm
pnpm setup-cloudflare
pnpm load-schema

Environment Variables

• OPENAI_API_KEY: Your OpenAI API key
• AUTH_SECRET: A secret used to authenticate requests to the API (optional)

API Endpoints

1. Search Documents

curl -X GET "http://localhost:8787/documents/search" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer your-auth-secret" \
  -d '{
    "query": "your search query",
    "namespace": "default"
  }'

2. Submit Document

curl -X POST "http://localhost:8787/documents" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer your-auth-secret" \
  -d '{
    "url": "https://example.com/document",
    "text": "Your document text here",
    "namespace": "default"
  }'

3. Suggest Documents

curl -X POST "http://localhost:8787/documents/suggest" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer your-auth-secret" \
  -d '{
    "query": "document title search",
    "namespace": "default"
  }'

4. Retrieve Document

curl -X GET "http://localhost:8787/documents/123" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer your-auth-secret"

5. Chat/Answer

curl -X POST "http://localhost:8787/chat" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer your-auth-secret" \
  -d '{
    "query": "your question about the documents",
    "namespace": "default"
  }'

6. Chat Document Suggestions

curl -X POST "http://localhost:8787/chat/suggest" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer your-auth-secret" \
  -d '{
    "query": "your question for document suggestions",
    "namespace": "default"
  }'

Development

Run the development server:

pnpm dev

Setup

pnpm setup-cloudflare
pnpm load-schema --remote